1 . 如图,
,
为矩形
的对角线,
的平分线交
于点
,交
的延长线于点
.
(1)尺规作图:过点
作
的垂线,垂足为
;(保留作图痕迹,不写作法)(如图)
.
证明:
为
的平分线,
① .
四边形
是矩形,
② ,③ ,
④ ,
,
⑤ ,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)尺规作图:过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7322382eecd41e1348226680a830da9a.png)
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a2fd4be3ef6a91bab0592b98f69741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f3d198e76391779fa3badc848c8ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a743e12496f2d703af9c41c738c8f58f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38303a9f59e6c79c99a2ee2761f04ce9.png)
您最近一年使用:0次
2 . 【感知】如图①,若
,易证
(不用证明);
【探究】如图②,正方形
和正方形
的边
在同一条直线上,点
在
上,
相交于点
,求证:
;
【应用】如图③,在“探究”的条件下,连接
,若
,则
_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16f403e88103dacb7e4c86c6d2866e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d00572a90232e08932317af2a53767.png)
【探究】如图②,正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3205512817a69e7776b536159ad2315f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ba5f27a8e4ab3c3ce618f30e4ab982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8fae5286f4db94b807b631ff00c45b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb21dc493f7b8b44570c008db21caf8.png)
【应用】如图③,在“探究”的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6655e2fa64a32cd12fe0279afd65d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d04f7c9ced0ecd36b2c311cf6ead22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409665fdd1c3a11e7c3d4fcafe72a5ae.png)
您最近一年使用:0次
3 . 在四边形中,
,
,
分别为边
,
上的两点,连接
,
相交于点
,且满足
.
(1)【基础运用】如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e63e1069c7c85d8ba6eab02bcd292c.png)
(2)【类比探究】如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(3)【拓展迁移】如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121f9f8e6b6d927c43d85a0866231c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4206c78d9875766de41b18d2f0531b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2024-03-20更新
|
162次组卷
|
2卷引用:四川省成都市天府新区2023-2024学年九年级上学期期末数学试题
4 . 已知点M,N在矩形的边上,利用直尺和圆规,按要求作图,保留作图痕迹.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/e751851e-9cbb-4570-a80a-529bb24298fc.png?resizew=309)
(1)如图1,在矩形边上找点E,F,使得
为平行四边形;
(2)如图2,在矩形边上找P,G,H三点,使得四边形
为菱形.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/e751851e-9cbb-4570-a80a-529bb24298fc.png?resizew=309)
(1)如图1,在矩形边上找点E,F,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cfd0530c5623a89ec6a6652a367e2e.png)
(2)如图2,在矩形边上找P,G,H三点,使得四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684c31f4291cc8e87e0be2a1f73a8c3.png)
您最近一年使用:0次
5 . 如图,一副三角板摆放在长方形包装袋中.点A,E,B在长方形的一边上,点C,D在其对边上.直角三角形
和等腰直角三角形
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/74160bfb-6925-450b-a667-552521ce8a02.png?resizew=265)
A.斜边相等 | B.直角的角平分线相等 | C.斜边上的高相等 | D.一个锐角相等 |
您最近一年使用:0次
6 . 矩形
中,M,N分别是边
上的两个动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/f3cfa44e-1ddb-4e97-b14b-d261929b38a0.png?resizew=145)
(1)如图,当
时.求证:
①
;
②
.
(2)当
时,是否存在点M的某个位置,使得
,若存在,求
的长.若不存在,说明理由.
(3)是否存在矩形
,使得
都和
相似,若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/f3cfa44e-1ddb-4e97-b14b-d261929b38a0.png?resizew=145)
(1)如图,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1219b8c6956eb4247c10b2d78b9434b9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7b38bd1aa4096314204e7db77bfdcb.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccbab949aba2f6dd95eba77dd430224.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe54deeca1bd655025108e4c7648f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f551df1e61611b611319dee6f12b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
(3)是否存在矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75333387a363d14809fad8f6cb38f90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999c42a021bdc576f097246b9e64d986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0636e0c3ae734c1ac05ef4d53b1f2a92.png)
您最近一年使用:0次
7 . 如图,在矩形
中,
,以点
为旋转中心,将矩形
沿顺时针方向旋转,得到矩形
,点
的对应点分别是点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/ebb573a5-5a57-49c0-9c59-44145f280ba0.png?resizew=628)
(1)如图①,当点
落在矩形
的对角线
上时,求线段
的长;
(2)如图②,当点
落在矩形
的对角线
的延长线上时,求
的面积;
(3)如图③,将矩形
旋转一定角度后,连接
交于点
,连接
,直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ba94cec6c03980be9ca03774379fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d819c261ee68e705e0d71815a050b7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65183d238c9bc2be73770717d890683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/ebb573a5-5a57-49c0-9c59-44145f280ba0.png?resizew=628)
(1)如图①,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
(2)如图②,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df7626240940eb340420a605e95aeee.png)
(3)如图③,将矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f139bc3d8a2d79e7a0be8f53f532a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a4df3887c31de6049ae0497bdf0d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a414c1501af22e74b8ee0d4663b93c00.png)
您最近一年使用:0次
8 . 如图,在矩形
中,点
分别在边
和
上,且
,以点
为圆心,
为半径的弧分别交
于点
和点
,连接
.若
,则四边形
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/5597d2ae-0a58-4aff-912b-a5de20e21d96.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a373959bb9026f8a09845c0b828bf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d68166bc420f7fbff86900e27e802e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4515e1dff9a852b3294dc1d6488a5748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0638ac28151ab306c427700bc15d3d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72d8a3dc6cb93171ee20567b5440775.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/5597d2ae-0a58-4aff-912b-a5de20e21d96.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知点
在矩形
的对角线
上(不与点
重合),下列命题为假命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
10 . 在矩形
中,
.
折叠,使点A落在点F处(如图①),设
与
相交于点G,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478d8cdad9506e889570ca6618a49615.png)
;
(2)将矩形沿直线
折叠,使点B的对应点
落在
边上(如图②),点A的对应点为
,连接
交
于点
.当
时,求
、
的长;
(3)点M在线段
上,点N在线段
上,(如图③)若按
折叠后,点
落在矩形
的
边上
点,请求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f1844834ef0315a704d8e2fba77544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478d8cdad9506e889570ca6618a49615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
(2)将矩形沿直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a2b5d1e93a9567319d3d537333ce48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
(3)点M在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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